600
- 604 Aethelfrith unites Bernicia and Deira to form Northumbria.
- 625 Paulinus is consecrated as Bishop of York.
- 638 Gododdin hillfort at Edinburgh is captured by Oswald of Northumbria.
- 664 Synod of Whitby
- 664 Plague in British Isles travels at least as far north as Lastingham.
- 685 Loss to Picts at Battle of Dun Nechtain (Nechtansmere) limits northern expansion.
- 687 Cuthbert, patron saint of Northumbria, dies at his Inner Farne Island hermitage.
Read more about this topic: Timeline Of Northumbria And Northumberland